# std::experimental::atomic_weak_ptr<T>::is_lock_free

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< cpp‎ | experimental‎ | atomic weak ptr

bool is_lock_free() const noexcept; |  |

Checks whether the atomic operations on all objects of this type are lock-free.

### Parameters

(none)

### Return value

true if the atomic operations on the objects of this type are lock-free, false otherwise.

### See also

std::atomic_is_lock_free(std::shared_ptr)std::atomic_load(std::shared_ptr)std::atomic_load_explicit(std::shared_ptr)std::atomic_store(std::shared_ptr)std::atomic_store_explicit(std::shared_ptr)std::atomic_exchange(std::shared_ptr)std::atomic_exchange_explicit(std::shared_ptr)std::atomic_compare_exchange_weak(std::shared_ptr)std::atomic_compare_exchange_strong(std::shared_ptr)std::atomic_compare_exchange_weak_explicit(std::shared_ptr)std::atomic_compare_exchange_strong_explicit(std::shared_ptr) (deprecated in C++20)(removed in C++26) | specializes atomic operations for `std::shared_ptr` (function template)

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